replace dropdown for selecting reasons and use chillEntity for reason rendering

Resources/views/Timeline/activity_person_context.html.twig

@@ -20,7 +20,7 @@
             {%- if activity.reasons is empty -%}
             <dd><span class="chill-no-data-statement">{{ 'No reason associated'|trans }}</span></dd>
             {%- else -%}
-            <dd>{% for r in activity.reasons %}{{ m.reason(r) }} {% endfor %}</dd>
+            <dd>{% for r in activity.reasons %}{{ r|chill_entity_render_box }} {% endfor %}</dd>
             {%- endif -%}
 
         </dl>